"We had left our high-profile jobs and joined AAP just to fight the 4C's namely corruption, crime, casteism and communalism. But over the last one year we realised that instead of abolishing these evils we have adopted them. The party is functioning just as the other regional parties.

"I am attracted by the way Modiji is working and that is the reason why I have joined BJP. I have the vision that the country will change in the next ten years," Upadhyay told reporters here.

BJP also claimed that AAP members Subhash Talwar, Rajesh Gupta and Salil Kumar have also joined the party.